Finding the Third Proportional to 124,900.50 and 190,479

Step by Step Solution

1. Step 1: Write the proportion equation
   124,900.50 : 190,479 = 190,479 : x
2. Step 2: Convert to fraction form
   124,900.50/190,479 = 190,479/x
3. Step 3: Cross multiply
   124,900.50x = 190,479 × 190,479
4. Step 4: Simplify right side
   124,900.50x = 36,282,249,441
5. Step 5: Solve for x
   x = 36,282,249,441/124,900.50
6. Step 6: Final answer
   x = 290,489.22